Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
3867 Shiretoko (1988 HG)
Classification: Main-belt Asteroid          SPK-ID: 2003867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073983254687478 3.7326e-08  
a 2.350853236830685 8.3708e-09 au
q 2.098375535772284 9.0008e-08 au
i 6.276314896856145 4.0481e-06 deg
node 79.92690134650142 3.2139e-05 deg
peri 32.94147525263841 3.7056e-05 deg
M 300.5847909341944 1.9638e-05 deg
tp 2458817.786043148259
(2019-Nov-30.28604315)
7.2321e-05 TDB
period 1316.548014612503
3.60
7.0319e-06
1.925e-08
d
yr
n .273442362909915 1.4605e-09 deg/d
Q 2.603330937889087 9.2698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2512  
   data-arc span      28715 days (78.62 yr)  
   first obs. used      1941-03-19  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45073  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:30:21  

Additional Information
 Earth MOID = 1.11834 au 
 Jupiter MOID = 2.49205 au 
 T_jup = 3.542 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO347552  
diameter diameter 5.345 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 28.035 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Michalik, D.; Ditteon, R. (2016) Minor Planet Bull. 43, 202-203.]
geometric albedo albedo 0.324   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3867 Shiretoko (1988 HG)          Discovered 1988-Apr-16 by Yanai, M. and Watanabe, K. at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 HG = 1941 EB = 1973 AS3 = 1979 XM = 1984 DJ1 = 1986 VA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin